Having just the stators are enough and will give you better laminar air flow through the fan assembly. Just the fans creates turbulent air between and reduces the pressure because the flow is no longer uniform so it looses pressure that's why jets have them to create as much compressed laminar airflow as they can get.
to make it even better you can 3d print the fan assy mount them on a axial shaft and drive the blades at the same speed like a jet that way you reduce the turbulence even further.
If I see right the stator blades have to be angled the opposite way, right? Really helpful video, I'm planning to do the same but smaller for my single printer enclosure. PC fans really are amazing.
I mainly print PLA and PETG so haven't done ABS for a while. For PLA I always leave the vent system on. For ABS I suspect it's probably best to use the vent system to flush the enclosure after the print is complete. But agree it would be ideal to run during ABS print. You probably want to use a 'duct gate' to regulate the flow to very low flow and of course this would be different for slightly different for each setup.
Quick question I hope you'll see. When running this system on your P1S, have you ever used a smoke test at the door creases or other leaky areas of the enclosure to see if smoke enters the enclosure, demonstrating that you're generating enough flow to create a vacuum?
I did a smoke test by putting the 'smoke generator' inside on the build plate and it didn't leak any smoke out of the case holes. So looked ok on that front.
Amazing! Thanks for this experiment. I also have a P1S and I was thinking to do the venting like you have in version 1. And now I see this version 2 :-) I have a question - what percentage do you have the P1S chamber fan set to? I'm a bit worried that due to the draft it won't start generating current and destroy the printer mainboard...
That's a reasonable thing to consider. It was running for about 8 months with the original inline fan which was more powerful and didn't seem to cause any problems. Should be even less chance of that now it's using more relaxed PC fans. I've just been using the default Bambu profiles.
I was always told there would be issues if I stacked more then one dust collector (motor, impeller fan) in series. Your demonstration seems to say otherwise. Do you think I could put two dust collection units on the same run of ducting?
I haven't come across any documented issues for not putting fans in series. I'd guess that a potential problem might be with more powerful fans, where the fans may spin a higher revs due to having less 'load / resistance'.
Assume you're thinking about putting the dust collectors in parallel working off the same run of ducting. Probably starts to get complicated with different resistance and pressure along the ducting, and just having to watch out that one fan doesn't overpower the other and draw air backwards through the filter.
Am I right in assuming the previous extractor fan failed because it's a bathroom extractor fan made for removing moist air immediately after people take showers and not intended to run for the multi-hour periods that a 3D print can take?
This is the description from the online shop where I got it, 'This 100mm model has a maximum airflow of 240m³/hr, at a decibel rating of only 37dBA at high setting. This model is designed to be ducted using 100mm ducting and can be used for a variety of domestic and commercial extraction applications.' So think I was just unlucky that it died.
i just got my X1C and was getting ready to do this myself. great work and explanation. special thanks for providing the models.
No worries. Glad to be of help.
Excellent work.
excellent work, have been meaning to setup a enclosed racking solution for my 3d printers, this gave me some great ideas.
Thanks
excellent demonstration and thank you very much for your files. Merry Christmas 2024
Thanks, and a Merry Christmas to you too !
need this for my pc, so darn hot in my room
Having just the stators are enough and will give you better laminar air flow through the fan assembly. Just the fans creates turbulent air between and reduces the pressure because the flow is no longer uniform so it looses pressure that's why jets have them to create as much compressed laminar airflow as they can get.
to make it even better you can 3d print the fan assy mount them on a axial shaft and drive the blades at the same speed like a jet that way you reduce the turbulence even further.
Great video, thanks for sharing this. Might have to give it a try myself. Any links for the Laminar Flow spacers?
Think they should be in with the Inline Fan STL files
If I see right the stator blades have to be angled the opposite way, right?
Really helpful video, I'm planning to do the same but smaller for my single printer enclosure. PC fans really are amazing.
Yep thats right. So they scoop up the rotating air.
Are you able to print abs with such air flow? If so I'll definately try this
I mainly print PLA and PETG so haven't done ABS for a while. For PLA I always leave the vent system on. For ABS I suspect it's probably best to use the vent system to flush the enclosure after the print is complete. But agree it would be ideal to run during ABS print. You probably want to use a 'duct gate' to regulate the flow to very low flow and of course this would be different for slightly different for each setup.
@@MakerMike54 Yeah I figured, thanks
Quick question I hope you'll see. When running this system on your P1S, have you ever used a smoke test at the door creases or other leaky areas of the enclosure to see if smoke enters the enclosure, demonstrating that you're generating enough flow to create a vacuum?
I did a smoke test by putting the 'smoke generator' inside on the build plate and it didn't leak any smoke out of the case holes. So looked ok on that front.
@@MakerMike54great, thanks for the reply. Getting my P1S in a couple weeks and I plan on using this design.
this is great work, Will the printables page be updated with this version
Yep, should get the STL's on Printables in the next few days. I'll reply again when they're up.
The video description now has links to the STLs on Printables.
@@MakerMike54 Thank you
Amazing! Thanks for this experiment.
I also have a P1S and I was thinking to do the venting like you have in version 1. And now I see this version 2 :-)
I have a question - what percentage do you have the P1S chamber fan set to? I'm a bit worried that due to the draft it won't start generating current and destroy the printer mainboard...
That's a reasonable thing to consider. It was running for about 8 months with the original inline fan which was more powerful and didn't seem to cause any problems. Should be even less chance of that now it's using more relaxed PC fans. I've just been using the default Bambu profiles.
I was always told there would be issues if I stacked more then one dust collector (motor, impeller fan) in series. Your demonstration seems to say otherwise. Do you think I could put two dust collection units on the same run of ducting?
This is a tangential comment. I will also be making your ventilator setup for my Bambu P1S but I wondered about the dust collectors in my wood shop
I haven't come across any documented issues for not putting fans in series. I'd guess that a potential problem might be with more powerful fans, where the fans may spin a higher revs due to having less 'load / resistance'.
Assume you're thinking about putting the dust collectors in parallel working off the same run of ducting. Probably starts to get complicated with different resistance and pressure along the ducting, and just having to watch out that one fan doesn't overpower the other and draw air backwards through the filter.
Am I right in assuming the previous extractor fan failed because it's a bathroom extractor fan made for removing moist air immediately after people take showers and not intended to run for the multi-hour periods that a 3D print can take?
This is the description from the online shop where I got it, 'This 100mm model has a maximum airflow of 240m³/hr, at a decibel rating of only 37dBA at high setting. This model is designed to be ducted using 100mm ducting and can be used for a variety of domestic and commercial extraction applications.'
So think I was just unlucky that it died.